Home / 703,657.19-971,043.09-381,363.86

Finding the Fourth Proportional to 703,657.19, 971,043.09 and 381,363.86

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Solution

The fourth proportional to 703,657.19, 971,043.09 and 381,363.86 is: 526,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,657.19 : 971,043.09 = 381,363.86 : x
  2. Step 2: Convert to fraction form
    703,657.19/971,043.09 = 381,363.86/x
  3. Step 3: Cross multiply
    703,657.19x = 971,043.09 × 381,363.86
  4. Step 4: Simplify right side
    703,657.19x = 370,320,742,026.22
  5. Step 5: Solve for x
    x = 370,320,742,026.22/703,657.19
  6. Step 6: Final answer
    x = 526,280.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.